| Calathotarsus | |
|---|---|
 | |
| Female C. simoni | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Class: | Arachnida |
| Order: | Araneae |
| Infraorder: | Mygalomorphae |
| Family: | Migidae |
| Genus: | Calathotarsus Simon |
Calathotarsus is a genus of spiders in the family Migidae. It was first described in 1903 by Eugène Simon. As of 2022[update], it contains 4 species, occurring in Chile and Argentina.